@article{DE_1988_24_11_a12,
     author = {J. V. Rybalov},
     title = {The exterior {Neumann} problem for an elliptic equation that is degenerate at infinity},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1955--1967},
     publisher = {mathdoc},
     volume = {24},
     number = {11},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_11_a12/}
}